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Overview
| Comment: | Tweak spellfix.c so that if SQLITE_SPELLFIX_5BYTE_MAPPINGS is defined at compile time the Transliteration structure has space for 5 byte (instead of 4 byte) mappings. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA3-256: |
cbaf5b6c1b07b29b2c83fa01618de856 |
| User & Date: | dan 2018-09-26 16:05:07 |
Context
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2018-09-26
| ||
| 16:53 | Begin revamping the ".help" command in the command-line shell so that it can accept an argument and will do a search for commands that match that argument. check-in: 209afb8d user: drh tags: trunk | |
| 16:05 | Tweak spellfix.c so that if SQLITE_SPELLFIX_5BYTE_MAPPINGS is defined at compile time the Transliteration structure has space for 5 byte (instead of 4 byte) mappings. check-in: cbaf5b6c user: dan tags: trunk | |
| 03:43 | Fix typos in the header comment for the sha1 and sha3 hash extensions in the ext/misc folder. check-in: 4ed9d83a user: drh tags: trunk | |
Changes
Changes to ext/misc/spellfix.c.
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return nChar;
}
typedef struct Transliteration Transliteration;
struct Transliteration {
unsigned short int cFrom;
unsigned char cTo0, cTo1, cTo2, cTo3;
};
/*
** Table of translations from unicode characters into ASCII.
*/
static const Transliteration translit[] = {
{ 0x00A0, 0x20, 0x00, 0x00, 0x00 }, /* to */
................................................................................
**
** The returned string might contain more characters than the input.
**
** Space to hold the returned string comes from sqlite3_malloc() and
** should be freed by the caller.
*/
static unsigned char *transliterate(const unsigned char *zIn, int nIn){
unsigned char *zOut = sqlite3_malloc64( nIn*4 + 1 );
int c, sz, nOut;
if( zOut==0 ) return 0;
nOut = 0;
while( nIn>0 ){
c = utf8Read(zIn, nIn, &sz);
zIn += sz;
nIn -= sz;
................................................................................
zOut[nOut++] = tbl[x].cTo0;
if( tbl[x].cTo1 ){
zOut[nOut++] = tbl[x].cTo1;
if( tbl[x].cTo2 ){
zOut[nOut++] = tbl[x].cTo2;
if( tbl[x].cTo3 ){
zOut[nOut++] = tbl[x].cTo3;
}
}
}
c = 0;
break;
}else if( tbl[x].cFrom>c ){
xTop = x-1;
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return nChar;
}
typedef struct Transliteration Transliteration;
struct Transliteration {
unsigned short int cFrom;
unsigned char cTo0, cTo1, cTo2, cTo3;
#ifdef SQLITE_SPELLFIX_5BYTE_MAPPINGS
unsigned char cTo4;
#endif
};
/*
** Table of translations from unicode characters into ASCII.
*/
static const Transliteration translit[] = {
{ 0x00A0, 0x20, 0x00, 0x00, 0x00 }, /* to */
................................................................................
**
** The returned string might contain more characters than the input.
**
** Space to hold the returned string comes from sqlite3_malloc() and
** should be freed by the caller.
*/
static unsigned char *transliterate(const unsigned char *zIn, int nIn){
#ifdef SQLITE_SPELLFIX_5BYTE_MAPPINGS
unsigned char *zOut = sqlite3_malloc64( nIn*5 + 1 );
#else
unsigned char *zOut = sqlite3_malloc64( nIn*4 + 1 );
#endif
int c, sz, nOut;
if( zOut==0 ) return 0;
nOut = 0;
while( nIn>0 ){
c = utf8Read(zIn, nIn, &sz);
zIn += sz;
nIn -= sz;
................................................................................
zOut[nOut++] = tbl[x].cTo0;
if( tbl[x].cTo1 ){
zOut[nOut++] = tbl[x].cTo1;
if( tbl[x].cTo2 ){
zOut[nOut++] = tbl[x].cTo2;
if( tbl[x].cTo3 ){
zOut[nOut++] = tbl[x].cTo3;
#ifdef SQLITE_SPELLFIX_5BYTE_MAPPINGS
if( tbl[x].cTo4 ){
zOut[nOut++] = tbl[x].cTo4;
}
#endif /* SQLITE_SPELLFIX_5BYTE_MAPPINGS */
}
}
}
c = 0;
break;
}else if( tbl[x].cFrom>c ){
xTop = x-1;
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